Process for the manufacture of ammonium sulfamate

Details Process for the manufacture of ammonium sulfamate Process for the manufacture of ammonium sulfamate

1979-11-21

1981-04-14

Peters, G. O.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C01B 21093, C01B 21086

Patent

active

042619637

ABSTRACT:
A process for the manufacture of ammonium sulfamate by introducing under pressure ammonia and sulfur trioxide into a reactor containing a melt which mainly consists of ammonium sulfamate and ammonium imidodisulfonate, while maintaining a molar ratio of NH.sub.3 /SO.sub.3 of from 1.5 to 1 to 2.0:1, which comprises introducing sulfur trioxide into the gas phase above the melt.

REFERENCES:
patent: 3661516 (1972-05-01), Hofmeister
patent: 4133870 (1979-01-01), Graser

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